请问专家老师危害玉米的这种害虫叫啥名字?怎样防治?

2025年04月08日 08:39
有1个网友回答
网友(1):

看图是粘虫
利用粘虫成虫产卵习性趋光趋化性,采用谷草把、糖醋液、杀虫灯等诱杀成虫,以减少成虫产卵量,降低田间虫口密度。
低龄幼虫期可用5%卡死克乳油4000倍液、灭幼脲1号、灭幼脲2号或灭幼脲3号500—1000倍液喷雾防治,防治粘虫幼虫效果好,且不杀伤天敌。
撒施毒土亩用40%辛硫磷乳油75-100克适量加水,拌砂土40-50公斤扬撒于玉米心叶内,即可保护天敌,又可兼防玉米螟。
当玉米田虫口密度达百株30头每亩可用50%辛硫磷乳油、80%敌敌畏乳油、40%毒死蜱乳油75-100克加水50千克或20%灭幼脲3号悬浮剂或25%氰·辛乳油20—30毫升或4.5%高效氯氰菊酯50毫升加水30千克均匀喷雾,或用5%甲氰菊酯(灭扫利)乳油、5%氰戊菊酯(来福灵)乳油、2.5%高效氯氟氰菊酯(功夫)乳油、2.5%溴氰菊酯(敌杀死)乳油1000—1500倍液、40%氧化乐果1500—2000倍液、10%吡虫啉2000—2500倍液喷雾防治。
供参考

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